AD NUMBER: 2017-18-18

SUMMARY: This AD requires repetitive on-ground power cycles to reset the internal timer.

This AD was prompted by the in-service loss of communication between some avionics systems and the avionics network.

DATES: This AD becomes effective September 26, 2017. Comments must be received by October 26, 2017.

COST: The FAA estimates this AD affects 2 airplanes of U.S. registry. They estimate that it will take about 1 work-hour per product to comply with the basic requirements of this AD. The average labor rate is $85 per work-hour. Based on these figures, the estimated cost of this AD on U.S. operators to be $170, or $85 per product.